3 oz./yd / 100 gsm (US), 5 oz/Lyd (CA), 92/8 nylon/spandex yarn dye woven. Moisture-management performance. Performance nylon fine shirting offers a crisp, professional look while staying cool and comfortable. Luxury, comfort and performance in one. Stretch for enhanced fit and restriction-free movement. Straight collar with built-in collar stays. Dyed-to-match pearlized buttons. Adjustable cuffs with button placket. Double layer, bias cut back yoke.